Dewar Nurseries

City: Apopka, Fla.

Website: DewarNurseries.com

Environmentally controlled square footage: 971,600

Percentage of production space under permanent environmentally controlled structure devoted to each crop (based on 2010 figures):
Ornamental bedding plants 10% 
Flowering potted plants 75% 
Potted foliage  5%
Container perennials  7%
Vegetables   3%